Question

To make the teaching learning process easier, creative and innovative, a teacher brings

clay in the class room to teach the topic mensuration. She thought this method of

teaching is more interesting, leave long lasting impact. She forms 8 small spheres each

of radius 7cm with the clay, then she moulds the 8 small spheres into a big sphere of

surface area 2464cm2

and asks some questions to students (use π = 22

7

)
(i) The surface area of each sphere of radius 7cm

a) 4312cm2

b) 616 cm2

c) 4335 cm2

d) 606 cm2​

Answer 1

Answer:

B) 616cm2

Step-by-step explanation:

4×pie×r×r

=4×3.14×7×7

=616cm2